Senior D365 Finance Developer
Warszawa, PL
About Atos Group
Atos Group is a global leader in digital transformation with c. 67,000 employees and annual revenue of c. €10 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.
The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.
About Eviden
Eviden is the Atos Group brand for hardware and software products with c. € 1 billion in revenue, operating in 36 countries and comprising four business units: advanced computing, cybersecurity products, mission-critical systems and vision AI. As a next-generation technology leader, Eviden offers a unique combination of hardware and software technologies for businesses, public sector and defense organizations and research institutions, helping them to create value out of their data. Bringing together more than 4,500 world-class talents and holding more than 2,100 patents, Eviden provides a strong portfolio of innovative and eco-efficient solutions in AI, computing, security, data and applications.
Who We Are Looking For
A Senior Developer specialized in Microsoft Dynamics 365 Finance & Operations (D365 F&O), with strong expertise in X++ development, customizations for general ledger processing, and high-volume transaction handling in cloud environments.
Key Responsibilities
- Design, develop, test, and deploy custom extensions for general journal processing, including data entities like LedgerJournalHeader and LedgerJournalLine.
- Implement business logic for transaction validation, reconciliation, and posting workflows within D365 Finance.
- Collaborate with integration teams to ensure seamless connectivity with external systems.
- Troubleshoot and optimize performance for high-volume transaction processing.
- Document technical specifications and support deployment in cloud environments.
Requirements
- Experience: 8+ years in D365 Finance & Operations development with deep expertise in X++ programming, data entities, and extensions.
- Proven experience customizing general ledger modules, journals, posting processes, financial dimensions, and intercompany transactions.
- Strong knowledge of D365 tools: Visual Studio, LCS, Azure DevOps for CI/CD, unit testing frameworks (SysTest), and debugging.
- Familiarity with financial data handling, error management, batch processing, and integration patterns (DMF, OData).
- Experience with D365 workflows, security roles, and reporting tools (SSRS).
- Background in performance tuning, data migration projects, and handling large datasets in ERP environments.
- Hands-on experience with D365 Finance integrations using REST APIs, DMF packages, and OData endpoints.
- Experience with external systems for financial data consolidation and ERP connectivity, including mapping tools (XSLT for XML).
- Proficiency in tools like Postman, Azure Logic Apps, and scripting (C#, PowerShell) for API orchestration and ETL processes.
- Knowledge of data mapping, XML/CSV/JSON formats, and handling large transaction volumes with retries, idempotency, and throttling.
- Expertise in Azure integration services (Service Bus, Event Grid, Function Apps) and monitoring tools (Application Insights, Log Analytics).
- Background in secure integrations, encryption, compliance standards, and handling sensitive financial data.
- Experience troubleshooting distributed systems, implementing webhooks or event-driven architectures, and working with CI/CD pipelines.
Nice to Have
- Experience with Microsoft Power Platform (PowerApps, Power Automate).
- Advanced knowledge of Azure Licensing and cloud platform.
- Familiarity with Data Lake and advanced reporting solutions.
Choose your future. Choose Atos.